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Extracting Shapes from BCC LED for 3D Manipulation

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Chip JohnsonExtracting Shapes from BCC LED for 3D Manipulation
by on Dec 23, 2013 at 8:01:49 pm
Last Edited By Chip Johnson on Dec 23, 2013 at 8:42:43 pm

I'm using BCC LED to generate circle LEDs from my video in After Effects. I'd like to extract the circles, or groups of them to seperate layers for use in either C4d as seperate video elements to be laid out with different Z-values, or as 3D layers in AE to do the same. For anyone that doesn't know, BCC LED leaves circles (or squares) with a black gap. The edge is very well defined.

Can anyone tell me a quick and easy way to do this without creating separate masks for each circle?

Thanks in advance!


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Dave LaRondeRe: Extracting Shapes from BCC LED for 3D Manipulation
by on Dec 24, 2013 at 12:40:14 am

Duplicate the layer with the cirles/squares, change the color of the upper layer's circles/squares to white, and use it as a luma (luma inverted?) track matte for the colored ones. Then render with an alpha channel.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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